, a professor at the University of Tokyo, and Ryu Funahashi, leader of a group of graduate students who made a tiny cubical satellite, shown in bottom photo provided by Nakasuka, weep with joy Oct. 27 after the first signal from the craft was received as it passed over Japan.

It is the second such satellite placed in orbit. The first was sent up in June 2003.

Our Planet

Hidetaka Ishii, an official at the Chiba Municipal Government, says close coordination with private-sector operators is key for regional decarbonization efforts.
Japan’s climate heroes show potential and limits of local initiatives

Longform

A sinkhole in Yashio, which emerged in January, was triggered by a ruptured, aging sewer pipe. Authorities worry that similar sections of infrastructure across the country are also at risk of corrosion.
That sinking feeling: Japan’s aging sewers are an infrastructure time bomb